US3495046A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic recorder with pad to damp high frequency vibration of tape
Assignee: IIT Research Institute
•
Filing: 1964-10-06
•
Granted: 1970-02-10
•
Expires: 1984-10-06
Abstract
No abstract record available.
Inventors
- 👤 Marvin Camras
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:42
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/76; H04N5/91; H04N5/92; H04N5/921; G; G11; G11B; G11B15/00; G11B15/02; G11B15/18; G11B15/60; G11B15/62; G11B23/00; G11B23/0007; G11B27/00; G11B27/10; G11B5/00; G11B5/02; G11B5/127; G11B5/265
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2288983A
Cited
US2468198A
Cited
US2668059A
Cited
US2709596A
Cited
US2873318A
Cited
US2778636A
Cited
US3257515A
Cited
US2900142A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-09 | 1973-08-11 | 1974-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-09 | 1977-08-11 | 1978-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-09 | 1981-08-11 | 1982-02-10 | $7700.00 | Window Closed / Lapsed |